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50HCQA
SinglePackageRooftop
HeatPump
withPuronr(R---410A)Refrigerant
Sizes 04 --- 06
InstallationInstructions
NOTE: Read the entire instruction manual before starting
the installation
TABLE OF CONTENTS
SAFETY CONSIDERATIONS .................... 2
Unit without Thru--Base Connection Kit ....... 14
Heat Anticipator Settings ................... 14
INSTALLATION ............................... 4
Electric Heaters .............................. 15
Jobsite Survey ................................ 4
Single
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Return Air Enthalpy Sensor ................. 29 ! WARNING Indoor Air Quality (CO sensor) ............. 30 2 Outdoor Air Quality Sensor ................. 30 ELECTRICAL SHOCK HAZARD Connecting Discrete Inputs .................. 30 Failure to follow this warning could cause personal injury or death. Communication Wiring -- Protocols ............ 31 Before performing service or maintenance operations General ................................. 31 on unit, always turn off main power switch to unit and
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Vertical Connections / Economizer Horizontal Connections / Economizer C10230 Fig. 1 -- Unit Dimensional Drawing – 04 — 06 Size Units 3 50HCQA
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C10231 Fig. 1 -- Unit Dimensional Drawing – 04 — 06 Size Unit (cont.) INSTALLATION Jobsite Survey 1 18” (457) Complete the following checks before installation. 1. Consult local building codes and the NEC (National 42" (1067) Electrical Code) ANSI/NFPA 70 for special installa- tion requirements. 2. Determine unit location (from project plans) or select unit location. 18" (457) 3. Check for possible overhead obstructions which may 42" (1067) interfere with unit lifting or rigging. Step 1 — Plan f
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Roof Mount — Step 3 — Inspect unit Inspect unit for transportation damage. File any claim Check building codes for weight distribution with transportation agency. requirements. Unit operating weight is shown in Table 1. Confirm before installation of unit that voltage, amperage Step 2 — Plan for Sequence of Unit Installation and circuit protection requirements listed on unit data plate agree with power supply provided. The support method used for this unit will dictate different sequences for th
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ROOFCURB UNIT SIZE ACCESSORY 1’ - 2” CRRFCURB001A02 [356] 50HCQA04-06 2’ - 0” CRRFCURB002A02 [610] C10232 Fig. 3 -- Roof Curb Details 6 50HCQA
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! WARNING PERSONAL INJURY HAZARD Failure to follow this warning could cause personal injury. For vertical supply and return units, tools or parts MAXIMUM ALLOWABLE could drop into ductwork and cause an injury. Install DIFFERENCE IN. (MM) a 90--degree turn in the return ductwork between the A-B B-C A-C unit and the conditioned space. If a 90--degree elbow 0.5” (13) 1.0” (25) 1.0” (25) cannot be installed, then a grille of sufficient strength C06110 and density should be installed to prevent objec
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C06005 DIMENSIONS MAX WEIGHT A B C UNIT LB KG IN MM IN MM IN MM 50HCQA04 725 330 74.5 1890 38.5 980 33.5 850 50HCQA05 845 384 74.5 1890 37.5 955 41.5 1055 50HCQA06 900 409 74.5 1890 37.5 955 41.5 1055 NOTES: 1. Dimensions in ( ) are in millimeters. 2. Hook rigging shackles through holes in base rail, as shown in detail “A.” Holes in base rails are centered aroundthe unit center of gravity. Use wooden top to prevent rigging straps from damaging unit. Fig. 5 -- Rigging Details Positioning onCurb—
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Two Position Damper Hood Removal and Setup -- Step 8 — Install Outside Air Hood Factory Option — Economizer Hood Removal and Setup -- 1. The hood is shipped in knock- -down form and Factory Option — assembled to a metal support tray using plastic stretch 1. The hood is shipped in knock--down form and located wrap. Located in the return air compartment, the in the return air compartment. It is attached to the assembly’s metal tray is attached to the basepan and economizer using two plastic tie--w
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Economizer Hood and Two--Position Hood — filter rack (hood divider). Push the filter into position past the open filter clips. Close the filter clips to lock NOTE: If the power exhaust accessory is to be installed the filter into place. See Fig. 12. on the unit, the hood shipped with the unit will not be used and must be discarded. Save the aluminum filter for use in the power exhaust hood assembly. 1. The indoor coil access panel will be used as the top of the hood. Remove the screws along the
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unit disconnect. On a unit without a unit--mounted disconnect, connect the source leads to compressor MINIMUM PITCH contactor C and indoor fan contactor IFC pressure lugs 1” (25mm) PER BASE RAIL 10’ (3m) OF LINE with unit field power leads. 2˝ (51) MIN All units except 208/230-v units are factory wired for the OPEN VENT voltage shown on the nameplate. If the 208/230-v unit is to be connected to a 208-v power supply, the control transformer must be rewired by moving the black wire TO ROOF SEE NO
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Units with Factory--Installed Disconnect — Convenience Outlets — The factory--installed option disconnect switch is located ! WARNING in a weatherproof enclosure located under the main control box. The manual switch handle is accessible ELECTRICAL OPERATION HAZARD through an opening in the access panel. Discard the factory test leads (see Fig. 16). Failure to follow this warning could result in personal injury or death. Units Without Disconnect Option Units with convenience outlet circuits may u
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Mount the weatherproof cover to the backing plate as Test the GFCI receptacle by pressing the TEST button on shown in Fig. 18. Remove two slot fillers in the bottom of the face of the receptacle to trip and open the receptacle. the cover to permit service tool cords to exit the cover. Check for proper grounding wires and power line phasing Check for full closing and latching. if the GFCI receptacle does not trip as required. Press the RESET button to clear the tripped condition. COVER – WHILE-IN
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electronic thermostat, configure it for “non--heat pump” operation. Locate the thermostat accessory on a solid wall in the conditioned space to sense average temperature in accordance with the thermostat installation instructions. LOW VOLTAGE CONDUIT If the thermostat contains a logic circuit requiring 24--v CONNECTOR power, use a thermostat cable or equivalent single leads of different colors with minimum of seven leads. If the thermostat does not require a 24--v source (no “C” HIGH VOLTAGE CON
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RACEWAY DISCONNECT MOUNTING LOCATION INDOOR UNIT BLOCK-OFF OUTDOOR ACCESS PANEL ACCESS PANEL PANEL C08133 Fig. 23 -- Typical Access Panel Location HOLE IN END PANEL (HIDDEN) C08027 Not all available heater modules may be used in every Fig. 22 -- Field Control Wiring Raceway unit. Use only those heater modules that are UL listed for use in a specific size unit. Refer to the label on the unit Electric Heaters cabinet for the list of approved heaters. 50HCQ units may be equipped with field--install
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11 13 21 23 ALLIED PA CORP. MODEL NO. OD ERI AL NO. 22.2 ISTED AIR 1 NDITIONING UIP ACCESS 23 346N. 3 P / N 2- 5610-4 REV CONTROL BOX BUSHING SINGLE POINT BOX MOUNTING SCREWS DRIP BOOT BRACKET MOUNTING TRACK SCREWS POWER WIRES FOAM BUSHING FLANGE HEATER RELAYS HEATER MOUNTING SCREWS C08136 C08135 Fig. 26 -- Typical Single Point Installation Fig. 25 -- Typical Module Installation All fuses on 50HCQ units are 60--A. (Note that all heaters Single Point Boxes and Supplementary Fuse are qualifie
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PremierLinkt (Factory--Option) C08199 Fig. 28 -- PremierLink Controller The PremierLink controller (see Fig. 28) is compatible The SAT is factory--wired. The SAT probe is wire--tied to with Carrier Comfort Networkr (CCN) devices. This the supply--air opening (on the horizontal opening end) in control is designed to allow users the access and ability to its shipping position. Remove the sensor for installation. change factory--defined settings, thus expanding the Re--position the sensor in the fl
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C10227 Fig. 30 -- Typical PremierLink Wiring Schematic 18 50HCQA
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Outdoor Air Temperature (OAT) Sensor — Connect T--55: See Fig. 31 for typical T--55 internal connections. Connect the T--55 SEN terminals to TB1 The OAT is factory--mounted in the EconoMi$er2 (FIOP terminals 1 and 3 (see Fig. 32). or accessory). It is a nominal 10k ohm thermistor attached to an eyelet mounting ring. TB1 PL EconoMi$ert2— SEN 1 J6-7 The PremierLink control is used with EconoMi$er2 SEN J6-6 3 (option or accessory) for outdoor air management. The C08212 damper position is controlled
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CTB SPACE THERMOSTAT THERMOSTAT R R TB1 PL 2 GJ4-12 Y1 4 J4-10 Y2 J4-8 6 W1 8 J4-6 W2 J4-4 10 CTB C C THERMOSTAT C08119 Fig. 35 -- Space Thermostat Connections Table 3 – PremierLink Sensor Usage OUTDOOR AIR RETURN AIR OUTDOOR AIR RETURN AIR APPLICATION TEMPERATURE TEMPERATURE ENTHALPY SENSOR ENTHALPY SENSOR SENSOR SENSOR DifferentialDry Bulb Temperature with Required --- Included --- PremierLink 33ZCT55SPT --- --- CRTEMPSN001A00 (PremierLinkrequires orequivalent 4---20 mA A
