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Ducane (HVAC) (2/4)SH13 - page 1
# 48369K005 Page 1 Save these instructions for future reference INST ALLA TION AND MAINTENANCE INSTRUCTIONS (2,4)SH13 Series Self-Cont ained Heat Pump Improper installation, adjustment, alteration, service, or maintenance can cause injury or proper ty damage. Ref er to this manual. F or assistance or additional information, consult a qualified inst ...
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Ducane (HVAC) (2/4)SH13 - page 2
Page 2 # 48369K005 INST ALLA TION These instructions explain the recommended method of installation of the SH heat pump unit and associated electrical wiring. This unit is designed and approved for use as a self- contained air-to-air outdoor heat pump system. The units are factory equipped with a transformer and blower control for applications with ...
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Ducane (HVAC) (2/4)SH13 - page 3
# 48369K005 Page 3 Roof Curb Assembly Figure 2 T able 1 Roof Curb Installation If a roof curb is used, f ollow the manufacturer ’ s Installation Instructions and be sure that all required clearances are observed (see following Clearances section). Clearances All units require cer tain clearances f or proper operation and service. Refer to T a ble ...
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Ducane (HVAC) (2/4)SH13 - page 4
Page 4 # 48369K005 Figure 4 Removing Bottom Duct Covers Base 1. Remov e screw and lift. 2. Slide cov er to free back pin. 1 2 When fastening ductwork to side duct flanges on unit, inser t screws through duct flanges only; do not inser t screws through casing. If using bottom duct work, do not use screws to secure ductwork to bottom duct opening und ...
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Ducane (HVAC) (2/4)SH13 - page 5
# 48369K005 Page 5 When connecting electrical power and control wiring to the unit, waterproof type connectors must be used so that water or moisture cannot be drawn into the unit during normal operation . CAUTION P ower supply to the unit m ust be N.E.C. Class 1, and must comply with all applicable codes. A fused disconnect switch should be field ...
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Ducane (HVAC) (2/4)SH13 - page 6
Page 6 # 48369K005 Thermostat The room thermostat should be located on an inside wall where it will not be subject to drafts, sun exposure, or heat from electrical fixtures or appliances. Follow the manuf acturer’ s instructions enclosed with ther mostat f or general installation procedure. Color-coded insulated wires (#18 A WG) should be used to ...
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Ducane (HVAC) (2/4)SH13 - page 7
# 48369K005 Page 7 OPERA TION Sequence of Operation Cooling When the thermostat is in the cooling mode, the O circuit is powered which energizes the reversing valve. Upon cooling demand, the thermostat closes circuit R and Y . Closing R and Y closes the unit contactor , star ting the compressor and outdoor f an. The thermostat automatically closes ...
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Ducane (HVAC) (2/4)SH13 - page 8
Page 8 # 48369K005 the timing selector jumper is not in place, the control def aults to a 90-minute defrost inter v al. The maximum defrost period is 14 minutes and cannot be adjusted. A test option is provided f or troubleshooting. The test mode ma y be star ted an y time the unit is in the heating mode and the defrost thermostat is closed or jump ...
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Ducane (HVAC) (2/4)SH13 - page 9
# 48369K005 Page 9 Cooling System Performance For maximum performance of the cooling system, operat- ing temperatures and pressure should be checked. Subcooling should be determined at Standard ARI test conditions of 82°F outdoor and 80°F indoor dry bulb/67°F wet b ulb . If subcooling measured deviates from v alues found in T able 4, refrigerant ...
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Ducane (HVAC) (2/4)SH13 - page 10
Page 10 # 48369K005 Owner Record Model # _________________________________ Serial # _________________________________ Installation Date ___________________________ Installed by: Dealer __________________________________ Address _________________________________ T elephone # ______________________________ License # ________________________________ P ...
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Ducane (HVAC) (2/4)SH13 - page 11
# 48369K005 Page 11 Figure 9 Wiring Diagram P/N 48349-001 208/230V -1-60 G W1 CR O BLK RED YEL RED CONT ACT OR THERMOST A T HIGH PRESSURE SWITCH (IF USED) L1 T1 T2 L2 C H F CONDENSER F AN MOT OR COMPRESSOR CONT ACT OR COMPRESSOR CONT ACT OR DUAL CAP ACIT OR COMPRESSOR TRANSFORMER C S R WHT L2 L1 BLK BRN PUR RED RED BLK 208V 240V 24V INDOOR BLOWER M ...
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Ducane (HVAC) (2/4)SH13 - page 12
Page 12 # 48369K005 Limited Warranty August 1, 1997 This warranty gives you specific legal rights and you may have other rights which vary from state/province to state/province. Subject to the limitations stated in this warranty , we warrant to the first buyer for use the residential heating, cooling, or heat pump unit, when installed, operated, an ...
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