System Checkout; Power Up; Humidity Setting - Aprilaire 65 Installation Instructions Manual

FIGURE 7 – RECOMMENDED WIRING FOR MODEL 65 CONTROL AND
MODEL 800 STEAM HUMIDIFIER WITH MODEL 850 FAN PACK
MODEL 65 CONTROL
C
24VAC
R
H
H
24VAC
MODEL 850 STEAM HUMIDIFIER FAN PACK
NOTE: 18 AWG WIRE IS ACCEPTABLE
FOR 24V INSTALLATIONS.
8
P4
TAP CONNECTORS
CIRCUIT BOARD
TRANSFORMER
APRILAIRE MODEL 800
STEAM HUMIDIFIER
90-2502

SYSTEM CHECKOUT

POWER UP

1. Check all wiring�
2. Restore power to the HVAC system and humidifier�
3. After a 4 second start up sequence all buttons on the Model 65 will be functional�
• The control will be OFF�
• The humidity setting will be 30%�
• The control will display the measured humidity�
MODEL 65 CONTROL
FIGURE 8
Measured
Humidity or
Setting
MODEL 65 LCD DISPLAY
Solid ON:
Control On
Blinking ON:
Humidifying
OFF: Control Off

Humidity Setting

and Offset
Adjustment
Control must be
ON to adjust offset
and setting.
Control On/Off
SET: Shows when
humidity setting
displayed or being
changed�
*
Blinking ON + : Temp Limits Exceeded�
See Operating Limits, page 11�
90-2495
90-1670
9