17
System Setup
• INSTALL: Use to set the current date. Use the keypad
buttons to scroll to the correct date.
• EQUIPMENT: Always set to CONV even if the unit is a
heat pump.
• AUX2 IN: Always set to W.
• FAN TYPE: Set for either single or 2 speed. The default is
2 speed. (See Note 3 below.)
• AUX1 OUT: If remote Fault Detection and Diagnostic
(FDD) monitoring is required select SYS.
• OCC: occupancy, always set to INPUT.
NOTES:
1. For 2 speed unit, under SYSTEM SETUP: EQUIPMENT= CONV, AUX2 I = W, and FAN TYPE = 2 SPEED
2. More sophisticated controller setups, including for DCV or power exhaust, are available by referring to Table 11 options
3. Note 3: Fan speed options are:
a. 1 speed
b. 2 speed
c. 2 speed: 1 heat, 1 cool (for future use)
d. 3 speed: 1 heat, 2 cool (for future use; do not use 3 speed setting for LC units)
NA = Not applicable
Table 10 —
Standard W7220 Controller Configuration for 1 or 2 Speed Unit
CONTROLLER MENU
ITEM
FOR SINGLE SPEED UNIT
FOR 2 SPEED UNITS
NOTE
DEFAULT
SET TO:
DEFAULT
SET TO:
SETPOINTS
MAT SET
53°F
38° to 70°F
53°F
38° to 70°F
LOW T LOCK
32°F
-45° to 80°F
32°F
-45° to 80°F
DRYBLB SET
63°F
48° to 80°F
63°F
48° to 80°F
Only displayed if using single DB OA sensor
ENTH CURVE
ES3
ES1 to ES5
ES3
ES1 to ES5 Only displayed if using a single enthalpy OA
sensor
MIN POS
4.4 Vdc
2 to 10 Vdc
Only displayed if set up for single speed unit
MIN POS H
NA
NA
4.4 Vdc
2 to 10 Vdc Only displayed if set up for 2 speed unit
MIN POS L
NA
NA
6.0 Vdc
2 to 10 Vdc Only displayed if set up for 2 speed unit
SYSTEM
SETUP
INSTALL
1/1/2010
Current date
1/1/2010
Current date
EQUIPMENT
CONV
CONV
CONV
CONV
Always set to CONV, even on HP units
AUX2 I
W
W
W
W
Always set to W
FAN TYPE
2 speed
1 speed
2 speed
2 speed
See Note 3
AUX1 OUT
NONE
SYS
NONE
SYS
Set to SYS for remote FDD monitoring
OCC
INPUT
INPUT
INPUT
INPUT
Always set to INPUT
