Wall Thermostats; Humidity Controls; Co 2 Controller - Bard W24HY-A Installation Instructions Manual

Part Number
8403-060 3 Stage Cool; 3 Stage Heat – HP or Conventional; Programmable/Non-Programmable; Auto or Manual Changeover;
(1120-445) Dehumidification Output
2 Stage Cool, 3 Stage Heat – Heat Pump; 2 Stage Cool, 2 Stage Heat – Conventional; Programmable/Non-Programmable;
8403-090
Auto or Manual Changeover
2 Stage Cool, 3 Stage Heat – Heat Pump; 2 Stage Cool, 2 Stage Heat – Conventional; Programmable/Non-Programmable;
8403-092
Auto or Manual Changeover; Wi-Fi
1 stage Cool, 2 stage Heat – Heat Pump; 1 stage Cool, 1 stage Heat – Conventional; Programmable/Non-
8403-095
Programmable; Auto or Manual changeover
TABLE 5

Humidity Controls

Part Number
Electronic humidistat DPST
8403-100*
Humidity range 10-90% with adjustable
(H6062A1000)
stops
Electronic dehumidistat SPST,
8403-047 closes-on-rise
(H200-10-21-10) Humidity range 10-90% with adjustable
stops
* If using 8403-100 humidistat, it must be configured for
dehumidification in the Setup menu.
TABLE 6
CO Controllers
2
Part Number Predominate Features
CO ventilation control with digital display.
2
8403-056 Normally Open SPST (Default: Close at
800ppm)
Normally Open SPST relay closes-on-rise
24V dual wave length sensor. Default setting
8403-096 950ppm, adjustable to 0-2000ppm
Default off setting 1000ppm, adjustable to
0-200 ppm can be calibrated
Manual 2100-790
Page 24 of 49

Wall Thermostats

Predominate Features
TABLE 4
Predominate Features
Thermostat Wire Size
Transformer
VA
55
TABLE 7
Maximum
FLA Wire Gauge
18 gauge
16 gauge
2.3
14 gauge
12 gauge
Distance
In Feet
60
100
160
250