York D4IC-360, Technical Information

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1.14.- Firestat 27
1.15.- Copper fin coils 27
1.16.- “Blue Fin” coils 27
1.17.- Mounting base (Roof Curb), fixed 27
1.18.- Mounting base (Roof Curb), adjustable 27 - 29
14 - Pulley adjustment and belt tensing
0
15 - DPC-1 programmable digital thermostat
with communication
1
15.1.- Air conditioning modes 1
15.2.- Key functions 2
16 - Operation 2
16.1.- Cooling system 2
16.2.- Preliminary cooling operation 2
16..- Thermostat operation 2
16.4.- Cooling operation sequence 2
16.5.- Heat operation sequence with gas
(models D4IC)
16.6.- Heat operation sequence with electric heaters
(models D4IC)
16.7.- Heat operation sequence with heat pump
(models B4IH) with electric heaters
(optional)
16.8.- Defrost sequence (models B4IH) - 4
17 - Safety features and controls 4
17.1.- Cooling lockout 4
17.2.- Gas heating lockout (models D4IG) 4
17..- Low gas pressure (models D4IG) 5
17.4.- Heating lockout (electric heaters) 5
17.5.- Motor overload protection 5
18 - Start-up gas heating, models D4IG 5
18.1.- Check list prior to start-up 5
18.2.- Turning on 5
18..- Start-up, without YKTOOL portable test tool
(accessory) 5
18.4.- Start-up, with YKTOOL (accessory) 5
18.5.- Check list after start-up 5 - 6
18.6.- Adjustment gas valves/thermal
switches 7
18.7.- Adjustment gas pressure at burner
feed manifold 8
18.8.- Gas consumption 7
19 - Maintenance
8
19.1.- General 8 - 40
19.2.- Gas heating units, D4IG 41
19..- Burner and injector inspection instructions 41
19.4.- Cleaning heat exchanger 42
20 - Wiring diagrams 4
20.1.- Cool only models D4IC and D4IG-60 4 - 45
20.2.- Cool only models D4IC-480 46 - 48
20..- Heat pump models B4IH-60 49 - 51
20.4.- Heat pump models B4IH-480 52 - 54
20.5.- Cool only + gas heating models D4IG-60 55 - 58
20.6.- Cool only + gas heating models D4IG-480 59 - 62
Configuration of switches 6
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