5. Slide blower on rails toward rear of unit.
6. Reverse items 1 through 5 to reinstall blower. Refer to wiring
diagram (See Fig. 4) of these instructions or diagram located
on inside of blower door to properly rewire unit.
→
Table 13—58VLR105 Size Airflow Data (CFM)
OIL HEATING MODE
24 VAC INPUT (R) ON W ONLY
SW1-HEAT
Dip Switch Position
HEAT INPUT
(USGPH)
CFM with SW3-ADJ
Dip Switch A Position
CFM with SW3-ADJ
Dip Switch B Position
CFM with SW3-ADJ
Dip Switch C Position
A (1=OFF, 2=OFF)
0.75
1260
1425
1070
B (1=ON, 2=OFF)
0.65
1050
1190
895
C (1=OFF, 2=ON)
0.5
850
960
725
D (1=ON, 2=ON)
Same Value then A Dip Switch Position
CONTINUOUS FAN
24 VAC INPUT (R) ON G ONLY
SW2-COOL
Dip Switch Position
A/C Size
(TON)
CFM with SW3-ADJ
Dip Switch A Position
CFM with SW3-ADJ
Dip Switch B Position
CFM with SW3-ADJ
Dip Switch C Position
A (1=OFF, 2=OFF)
3.0
785
905
670
B (1=ON, 2=OFF)
2.5
655
755
560
C (1=OFF, 2=ON)
2.0
525
605
445
D (1=ON, 2=ON)
1.5
395
455
335
COOLING OR HEAT PUMP HEATING MODE - SINGLE SPEED OR 2-SPEED HIGH
24 VAC INPUT (R) TO G, Y/Y2 AND O (FOR COOLING)
SW2-COOL
Dip Switch Position
A/C Size
(TON)
CFM with SW3-ADJ
Dip Switch A Position
CFM with SW3-ADJ
Dip Switch B Position
CFM with SW3-ADJ
Dip Switch C Position
A (1=OFF, 2=OFF)
3.0
1050
1155
945
B (1=ON, 2=OFF)
2.5
875
965
790
C (1=OFF, 2=ON)
2.0
700
770
630
D (1=ON, 2=ON)
1.5
525
580
475
NOTE: In cooling-Dehumidification mode, with no 24 VAC input to DH, the CFM is reduced by 15%
COOLING MODE OR HEAT PUMP HEATING MODE - 2-SPEED LOW
24 VAC INPUT (R) TO G, Y1 AND O (FOR COOLING)
SW2-COOL
Dip Switch Position
A/C Size
(TON)
CFM with SW3-ADJ
Dip Switch A Position
CFM with SW3-ADJ
Dip Switch B Position
CFM with SW3-ADJ
Dip Switch C Position
A (1=OFF, 2=OFF)
3.0
580
635
520
B (1=ON, 2=OFF)
2.5
480
530
435
C (1=OFF, 2=ON)
2.0
385
425
345
D (1=ON, 2=ON)
1.5
290
320
260
NOTE: In Cooling-Dehumidification mode, with no 24 VAC input to DH, the CFM is reduced by 15%
DELAY PROFILE FOR OIL HEATING MODE
SW4-DELAY
Dip Switch Position
HEAT INPUT
(USGPH)
Pre-Run On-Delay
CFM Level - Time
Short Run On-Delay
CFM Level - Time
Off-Delay
CFM Level - Time
A (1=OFF, 2=OFF)
0.75
13% - 45 sec
19% - 30 sec
38% - 3 min.
B (1=ON, 2=OFF)
0.65
13% - 45 sec
19% - 60 sec
38% - 3 min.
C (1=OFF, 2=ON)
0.5
13% - 60 sec
13% - 60 sec
38% - 3 min.
D (1=ON, 2=ON)
All
13% - 30 sec
100% - 0 sec
100% - 2 min.
Short Run is the time before the blower start at normal speed, with very low CFM, to minimize cool draft in the air distribution system.
Off Delay is the time required to cool down the heat exchanger, with low CFM, to minimize cool draft in the air distribution system.
DELAY PROFILE FOR COOLING OR HEAT PUMP HEATING MODE
No Adjustment
Required
A/C Size
Pre-Run On-Delay
Time
Short Run On-Delay
CFM Level - Time
Off-Delay
CFM Level - Time
-
All
13% - 30 sec
75% - 2.5 min.
50% - 3 min.
Short Run is the time before the blower start at normal speed, with lower CFM, to minimize cool draft in the air distribution system.
Off Delay is the time required to cool down the coil (heating mode), with low CFM, to minimize cool draft in the air distribution system.
15
