Bard T**H*D, W**H*D, S**HD installation instructions* Thermostat Wire Size

Page 4

		TABLE 4
	HUMIDITY CONTROLS

Part Number		Predominate Features
8403-038		SPDT switching, pilot duty 50VA @ 24V
(H600A1014)		Humidity range 20-80% RH
8403-047		Electronic dehumidistat SPST closes-on-rise
(H200-10-21-10)		Humidity range 10-90% with adjustable stops

	TABLE 5
	CO2 CONTROLLER

Part Number	Predominate Features
	Normally Open SPST relay closes-on-rise
	24V dual wave length sensor. Default setting
8403-067	950ppm, adjustable to 0-2000ppm
	Default off setting 1000ppm, adjustable to
	0-200 ppm can be calibrated

TABLE 6

THERMOSTAT WIRE SIZE

	Transformer		Wire	Maximum
	Transformer	FLA	Wire	Distance
	VA	FLA	Gauge	Distance
	VA		Gauge	In Feet
				In Feet
			20 gauge	45
			18 gauge	60
	55	2.3	16 gauge	100
			14 gauge	160
			12 gauge	250

Manual	2100-516H
Page	4 of 19

Image 4

Contents Single Stage Heat Pumps LOW Voltage Control Circuit Wiring Contents Wiring LOW Voltage Wiring Thermostat Wire Size Low Voltage Wiring Diagram Low Voltage Wiring Diagram Stage Cool Only if optional CO2 controller is used Low Voltage Wiring Diagram Electronic Programmable Stage Cool Stage Heat Cool CRV Stage Cool 2 Stage Heat WH/SH Heat Pump Connection Diagram WH Unit Low Voltage Term. Strip Thermostat 24V Low Voltage Terminal Block Yellow Black Red Stage Cool Stage Heat Unit