Installation – York YHYB User Manual
Page 5
INSTALLATION
4
YORK INTERNATIONAL
FORM 115.20-NOM2 (105)
5
YORK INTERNATIONAL
INSTALLATION
FORM 115.20-NOM2 (105)
T334 THERMOSTAT
Heat-Off Cool, Fan Auto-On, 24V, Manual changeover, 4-Wire Thermostat (R, G, Y, W) Adj. Heat Anticipator,
Fixed Cooling Anticipator, Fan Cycling (Cooling) or (Heating/Cooling), No Heating Required.
T404 THERMOSTAT
Heat-Off Cool, Fan Auto-On, 24V, Manual changeover, 6-Wire Thermostat (R, G, O, Y, W, B)
Adj. Heat / Fixed Cool Anticipator, Fixed Cooling Anticipator, Fan Cycling.
(O & B can be used for cool and heat relays respectively, or for cool & heat water valves.)
T200 THERMOSTAT OPTION (W/CONTROLLER)
Heat-Off Cool, Fan -On, 24V, Manual changeover, 7-Wire Thermostat (R, C, Hi, Med, Lo, 24V Heat,
24V Coil), Auto fan speed control, digital readout, auto-overide.
LD010200
FIG. 3 – WIRING SCHEMATIC FOR HBC/PHBC/CHBC/RHBC/HYB/PHYB
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LD010200