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I N S T A L L A T I O N
I N S T R U C T I O N S
INSTALLATION INSTRUCTIONS
Multi-Position Cased and Uncased Coils for
Multi-Position
Cooling / Heat Pumps
Cased & Uncased Coils for
FEATURING R-410A OR R-22 REFRIGERANT
Cooling and Heat Pumps
CDG Series
MDG Series
1.5 to 5 Ton 1.5 to 5 Ton
RECOGNIZE THIS SYMBOL AS AN INDICATION OF IMPORTANT SAFETY INFORMATION
WARNING
These instructions are intended as an aid to qualified
licensed service personnel for proper installation, adjust-
ment and ope
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Cased/Uncased Coils INSTALLATION INSTRUCTIONS Heat Controller, Inc. Table of Contents 1.0 MODEL NOMENCLATURE .....................................................................................2 2.0 SAFETY ...................................................................................................................3 3.0 GENERAL .................................................................................................................4 3.1 CODES & REGULATIONS .................
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Heat Controller, Inc. INSTALLATION INSTRUCTIONS Cased/Uncased Coils 1.0 Model Nomenclature C D G 18 F A - A C = Uncased Coil A = Revision Code V = Vertical Cased Coil M = Multi Postion Cased Coil 1 A = 14 /2" Wide Cabinet 1 B = 17 /2" Wide Cabinet Design Series C = 21" Wide Cabinet 1 D = 24 /2" Wide Cabinet F = Flowrater (Piston) R-410A T = TXV Refrigerant 18 = 18,000 BTUH 24 = 24,000 BTUH 30 = 30,000 BTUH 36 = 36,000 BTUH 42 = 42,000 BTUH 48 = 48,000 BTUH 60 = 60,000 BTUH NOTE: Not all model c
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Cased/Uncased Coils INSTALLATION INSTRUCTIONS Heat Controller, Inc. 2.0 Safety When you see the symbols below on labels or in manual, be alert to the potential or immediate hazards of personal injury, property and/or product damage. It is the owner’s or installer’s responsibility to comply with all safety instructions and information accompanying these symbols. Warning This is a safety alert symbol indicating a potential hazardous situation, which could result in personal injury, property and
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Heat Controller, Inc. INSTALLATION INSTRUCTIONS Cased/Uncased Coils 3.0 General The unit can be positioned for bottom return air in the upflow position, left and right return in the horizon- tal position, top return in downflow position. 3.1 Codes & Regulations This product is designed and manufactured to comply with national codes. Installation in accordance with such codes and/or prevailing local codes/regulations is the responsibility of the installer. The manufac- turer assumes no responsi
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19'' 21'' 20'' Cased/Uncased Coils INSTALLATION INSTRUCTIONS Heat Controller, Inc. 3.4 Unit Dimension and Component Location VAPOR LINE CONNECTION COPPER (SWEAT) COIL ACCESS LIQUID LINE CONNECTION PANEL COPPER (SWEAT) H HORIZONTAL DRAIN CONNECTION AUXILIARY DRAIN CONNECTION 3/4'' NPT FEMALE PIPE THREAD PRIMARY DRAIN CONNETION 3/4'' NPT FEMALE PIPE THREAD Fig. 1: Cased Dimensions and Component Location Dimensional Data “H” “W” Shipping Wt “A” W1 Width Unit Weight Mo
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D Heat Controller, Inc. INSTALLATION INSTRUCTIONS Cased/Uncased Coils TOP AIR STOP VAPOR LINE CONNECTION LIQUID LINE CONNECTION AUXILIARY DRAIN CONNECTION 3/4'' NPT FEMALE PIPE THREAD W PRIMARY DRAIN CONNETION Fig. 2: Uncased Dimensions and 3/4'' NPT FEMALE PIPE THREAD Component Location The Max. pressure resistance of evaporator is up to 2320 PSI (16MPa) The Max.resistant pressure of evaporator is up to 16MPa (2320PSI) Dimensional Data “H” “W” “D” Model No. Height in. [mm] Width in. [mm
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Cased/Uncased Coils INSTALLATION INSTRUCTIONS Heat Controller, Inc. 4.0 Installation Instructions 4.1 Parts Contact your distributor for authorized replacement parts. 4.2 Pre-Installation Instructions Carefully read all instructions for installation prior to installing product. Make sure each step or procedure is understood and any special considerations are taken into account before starting installation. As- semble all tools, hardware and supplies needed to complete the installation. Some ite
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Heat Controller, Inc. INSTALLATION INSTRUCTIONS Cased/Uncased Coils 5.0 Drain Applications 5.1 Condensate Drain Piping Consult local codes for special requirements. To provide extra protection from water damage, install an additional auxiliary drain pan, provided by installer under the entire unit with a separate drain line. Manufacturer will not be responsible for any damages due to the failure to follow these requirements. 5.2 Plastic Drain Pan Installation Warning Do not use the coil pan sh
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Cased/Uncased Coils INSTALLATION INSTRUCTIONS Heat Controller, Inc. Drain pan has two drain connections on each side to provide flexibility of connection and drainage. Make sure pan has proper pitch and plugged if second connection is not used. It is highly recommended to use the secondary drain line to prevent overflow when the primary drain is plugged. NOTE: Water coming from this line means the coil primary drain is plugged and needs clearing. Install a trap in the drain line below the bott
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Heat Controller, Inc. INSTALLATION INSTRUCTIONS Cased/Uncased Coils 6.0 Refrigerant Connections To prevent refrigerant leak, use proper tools to ensure clean, burr-free cut. Use brazing shield when welding close to the cabinet surface and wet rag to protect rubber grommet. Brazing alloy should be at least 5% silver content. 6.1 Flowrator Piston Change In most applications, there is no need to change the piston (orifice). However, in some applications, changing the piston size is required. If th
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Cased/Uncased Coils INSTALLATION INSTRUCTIONS Heat Controller, Inc. Table 1: Flowrator Piston Size Chart NOTE: Pistons are factory installed for use with RSG-1D series condenser. To use the coil with a HRG-1D series heat pump, a piston change may be required. Refer to Table 1. HCI Indoor Coil Condensing Unit Model No. Cased Coil Uncased Coil PISTON SIZE MDG18FA-A CDG18FA-A RSG18S-1D 0.050 RSG18R-1D MDG18FB-A CDG18FB-A MDG24FA-A CDG24FA-A RSG24S-1D 0.053 RSG24R-1D MDG24FB-A CDG24FB-A MDG30FA-A
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