ENVISION CONSOLE INSTALLATION MANUAL
Wiring Schematic
VERSATEC CONTROL - EH & REMOTE WALL THERMOSTAT Legend for Schematic [A]
| Normal Control Timing Table |
Blower off delay | 30 seconds |
Versatec Logic Board Physical Layout
|
|
|
Compressor on delay | 10 seconds |
|
Short cycle delay | 5 minutes |
|
Minimum compressor on time | 60 seconds (except for fault condition ) |
|
High pressure fault recognition delay | Less than 1 second |
|
Low pressure fault recognition delay | 30 seconds |
|
Freeze sensing fault recognition delay | 30 seconds |
|
Condensate overflow fault recognition delay | 30 seconds |
|
Low pressure fault bypass delay | 2 minutes |
|
Freeze sensing fault bypass delay | 2 minutes |
|
Motorized valve delay | 90 seconds |
|
Random start delay | 0 - 25 seconds |
|
Test Control Timing Table |
| |
Blower off delay | 5 seconds |
|
Compressor on delay | 2 seconds |
|
Short cycle delay | 15 seconds |
|
Minimum compressor on time | 5 seconds (except for fault condition ) |
|
High pressure fault recognition delay | Less than 1 second |
|
Low pressure fault recognition delay | 30 seconds |
|
Freeze sensing fault recognition delay | 30 seconds |
|
Condensate overflow fault recognition delay | 30 seconds |
|
Low pressure fault bypass delay | 0 seconds |
|
CC CCG C
C
R
R
P3
Fan Relay
FAN FANCOM
Microprocessor
Logic Control
17P529A01
CC Relay
6 |
|
|
|
1 |
|
| |
7 |
|
| |
2 |
|
| |
8 |
| P2 | |
|
| ||
3 |
| ||
9 |
|
| |
4 |
|
| |
10 |
|
| |
5 |
|
| |
|
|
|
SW1
Freeze sensing fault bypass delay | 0 seconds |
Motorized valve delay | 90 seconds |
Random start delay | 0 seconds |
| LED Display Mode Table |
| ||
LED | Normal Display Mode |
|
| |
| SW1 - #4 On, SW2 Off |
|
| |
Drain | Drain pan overflow lockout |
|
| |
|
|
|
| |
Water Flow | FS thermistor (loop <15°F, well < 30°F) lockout |
|
| |
|
|
|
| |
High Press | High pressure >600 PSI lockout |
|
| |
|
|
|
| |
Low Press | Low pressure < 40 PSI lockout |
|
| |
|
|
|
| |
Air Flow | Not used |
|
| |
|
|
|
| |
Status | Microprocessor malfunction* |
|
| |
|
|
|
| |
DHW Limit | Not Used |
|
| |
|
|
| ||
HWD | SW2 status (Off = down position, On = up position) |
| ||
|
|
|
| |
|
|
|
|
|
| Diagnostic Modes |
| ||
LED | Current Fault Status |
| Inputs | Outputs |
| SW1- #4 On, SW2 On |
| SW1- #4 Off, SW2 Off | SW1- # 4 Off, SW2 On |
Drain | Drain pan overflow |
| Y | Compressor |
Water Flow | FS thermistor (loop <15°F, well <30°F) |
| G | FAN |
High Press | High pressure > 600 PSI |
| O | O |
Low Press | Low pressure < 40 PSI |
| ES | ES |
Air Flow | Not used |
| NS | NS |
Status | Not used |
| LS | LS |
DHW Limit | Not used |
| Not Used | Not Used |
HWD | SW2 in the On position |
| Off position | On position |
*Flashing Status light indicates microprocessor is functioning properly. Solid "on" indicates a microprocessor malfunction.
P1
R | C | Y O | G LO ES NS LS |
Logic Board DIP Switch Settings
| Switch |
|
| OFF |
|
| ON |
| ||
|
|
|
|
|
|
|
| |||
| SW1 - 1 | Test - Selected timings sped up to facilitate |
| Normal - Standard timings |
| |||||
| troubleshooting |
|
|
|
| |||||
|
|
|
| |||||||
| SW1 - 2 | Loop - Closed loop freeze sensing setting (15°F) | Well - Open loop freeze sensing setting (30°F) | |||||||
|
|
|
|
| ||||||
| SW1 - 3 | Enables NS features |
| Normal - Standard thermostat operation | ||||||
|
|
|
|
|
|
| ||||
| SW1 - 4 | IO Display * - Enables Input/Output display on external | Normal * - Unit status display |
| ||||||
| LED board* |
|
|
|
| |||||
|
|
|
|
|
|
|
| |||
| SW1 - 5 | Motorized Valve - 1.5 minute compressor on delay | Normal - Standard delay on call from | |||||||
| compressor used |
| ||||||||
|
|
|
|
|
|
|
| |||
| SW2 | OFF * - Normal or Input display mode activated | ON * - Current fault or Output display | |||||||
| mode activated |
| ||||||||
|
|
|
|
| ||||||
| *Refer to LED Display Mode table for position of |
| ||||||||
|
|
|
| Operational Logic Table |
| |||||
| Mode |
| Inputs |
| Fan |
| Comp |
| RV | |
| Htg |
| Y |
| ON |
| ON |
| OFF | |
| Clg |
| Y,O |
| ON |
| ON |
| ON | |
| Fan |
| G |
| ON |
| OFF |
| OFF |
22