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TM
ClimaDry
ClimaDry Whole House
Dehumidification Option
Tranquility 27
Tranquility 20
Applications Guide
97B0051N01
Revision: 18 April, 2008B
Table of Contents
Model Nomenclature Example 2 ClimaDry Schematic 7
ClimaDry Overview 3 TT Blower Data 8
ClimaDry Benefits 3 TS ECM Blower Data 9
ClimaDry Features 3 TS PSC Blower Data 10
ClimaDry Applications 3 Reheat Coil Pressure Drop Table 11
ClimaDry Sequence of Operation 5 TS Air Coil Face Area Table 11
ClimaDry Component Functions 6 Wiring Diagram
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1 2 3 4 5 6 7 9 10 11 12 13 14 15 TT V 0 7 2 A G D 0 1 D L K S Series Standard TT = Tranquility Two-Stage Scroll S = Standard Supply Air Flow & Configuration V = Vertical Up Motor Configuration H = Horizontal Supply Configuration Motor D = Vertical Down K Top TTV ECM ECM N Down TTD P Back TTH ECM Unit Size W TTH ECM Straight 026, 038, 049, 064, 072 Return Air Flow Configuration Revision Level L = Left Return A = Current Revision R = Right Return Voltage Heat Exchanger Options G = 208-230/
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Overview Features Include: • Modulating reheat for precise control of supply ClimaDry™ Whole House Dehumidification Overview air temperatures Indoor Air Quality (IAQ) and Relative Humidity (RH) • 100% reheat (operates as a whole house are increasingly becoming design issues that must be dehumidifier) addressed by selecting heating and cooling equipment • “Neutral” supply air temperature even at part load with advanced capabilities. The ClimateMaster (non-design) conditions ClimaDry™ re
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Table 1: Typical Unit Latent capacity the only consideration necessary. In this case, sensible load is immaterial. Example latent capacities for a Latent Capacity at 85°F [29.4°C] EWT typical ClimateMaster heat pump are shown in table 1. ClimaDry is especially useful in Northern Climates, Size MBtuh lbs/hr kW kg/hr where the heat pump may be oversized in the cooling 18 4.7 4.4 1.4 2.0 mode to provide enough heating capacity. Units with 24 6.1 5.7 1.8 2.6 ClimaDry will compensate for these a
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ClimaDry Sequence Of Operation There are five operational inputs for single stage units A heat pump equipped with ClimaDry can operate and seven operational inputs for two stage units: in three modes; cooling, cooling with reheat, and -Fan Only heating. The cooling/heating modes are like any other -1st Stage Cooling ClimateMaster WSHP. The reversing valve (“O” signal) -2nd Stage Cooling is energized in cooling, along with the compressor -1st Stage Heating contactor(s) and blower relay. In the h
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• 2nd Stage Cooling: A simultaneous call from (G), reheat coil during the reheat mode of operation. The (Y1), (Y2), and (O) to the (G), (Y1), (Y2), and (O/W2) proportional controller sends a signal to the motorized terminals of the DXM control board will bring the unit valve based on the supply air temperature. on in 2nd Stage Cooling. When the call is satisfied The internal loop pump circulates condenser water at the thermostat the unit will continue to run in 1st through the hydronic reheat
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Figure 2: ClimaDry Schematic Water Out Refrigerant In (To Water Loop) (Cooling) Mixing Valve Water In Internal Pump (From Water Loop) COAX Leaving Refrigerant Out Air (Cooling) Entering Air Note: All components shown are internal to the heat Reheat pump unit. Coil Evaporator Coil ClimaDry Whole House Dehumidification - ClimateMaster Geothermal Heat Pumps - Rev.: 18 April, 2008B 7
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Table 4: Tranquility 27™ Blower Performance Data Residential Airflow in CFM with wet coil and clean air filter Units Only Max Fan Cooling Mode Dehumid Mode Heating Mode Aux/ Tap AUX Model ESP Motor Emerg Setting CFM Stg 1 Stg 2 Fan Stg 1 Stg 2 Fan Stg 1 Stg 2 Fan (in. wg) (hp) Mode 0.50 1/2 4 810 950 475 630 740 475 920 1060 475 4 1060 0.50 1/2 3 725 850 425 560 660 425 825 950 425 3 950 026 0.50 1/2 2 620 730 370 490 570 370 710 820 370 2 820 0.50 1/2 1 520 610 300 600 690 300 1 690 0.50 1
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Table 5: Tranquility 20™ ECM Blower Performance Data Residential Airflow in CFM with wet coil and clean air filter Units Only Max Fan Cooling Mode Dehumid Mode Heating Mode Aux/ Tap AUX Model ESP Motor Emerg Setting CFM Stg 1 Stg 2 Fan Stg 1 Stg 2 Fan Stg 1 Stg 2 Fan (in. wg) (hp) Mode 4 620 750 380 480 590 380 620 750 380 4 750 3 570 700 350 450 550 350 570 700 350 3 700 018 0.50 1/2 2 510 620 310 400 480 310 510 620 310 2 650 1 430 530 270 430 530 270 1 650 4 780 950 470 610 740 470 870 10
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Table 6: Tranquility 20™ (TS) Series PSC Blower Performance Data (Without ClimaDry) Airflow (cfm) at External Static Pressure (in. wg) Fan Rated Min Model Speed Airflow CFM 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.60 0.70 0.80 0.90 1.00 HI 600 450 704 708 711 702 693 692 690 683 675 658 640 598 515 018 MED 600 450 602 601 599 590 581 583 585 579 573 560 547 492 LOW 600 450 531 529 527 522 517 512 506 501 495 479 462 HI 850 600 965 960 954 943 931 923 914 898 882 862 842 794 72
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Table 7: ClimaDry Reheat Coil Pressure Drop - TS Units (PSC Motor) TSH/V/D with Reheat ESP Loss Coil Face Velocity TSH/V/D TSH/V/D TSH/V/D TSH/V/D TSH/V/D FPM 018 024, 030 036 042, 048 060, 070 In. of Water In. of Water In. of Water In. of Water In. of Water 200 0.037 0.033 0.031 0.028 0.026 250 0.052 0.046 0.042 0.038 0.034 300 0.077 0.066 0.059 0.051 0.044 350 0.113 0.096 0.085 0.073 0.061 400 0.181 0.160 0.145 0.131 0.117 450 0.242 0.226 0.215 0.205 0.194 500 0.360 0.345 0.335 0.326 0.316 For
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Tranquility 27™ with ClimaDry™ Electrical Wiring Diagram - 96B0037N74 ClimaDry Whole House Dehumidification - ClimateMaster Geothermal Heat Pumps - Rev.: 18 April, 2008B 12
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Flushing/Purging Units with ClimaDry Units equipped with ClimaDry must be flushed/purged Under extreme circumstances this procedure may be with a flush cart. Detailed general flushing /purging required multiple times to purge all air from the circuit. instruction can be found in the Flow Controller III IOM. After completing the flushing/purging procedure, restore The unit must be powered (but not operating) during the red wire to the ACC1 ‘N.O.’ terminal on the DXM for flushing/purging.
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Revision Log: Date Page # Description 18 April, 2008 All First Published ISO 9001:2000 Certified AIR CONDITIONING & TM REFRIGERATION INSTITUTE Quality: First & Always 35 Earl Martin Dr. Elmira, ON N3B 3L4 Phone: 800-367-9810 *97B0051N01* Fax: 877-684-3112 97B0051N01 www.nextenergy.ca ClimateMaster works continually to improve its products. As a result, the design and specifications of each product at the time for order may be changed without notice and may not be as described herein. Please co
