SERVICE MANUAL
Medi-Therm II
w
w
w
.g
aymar
.com P/N 10187-000 7/98
1
2
3
4
5
6
7
8
9
10
11
TB1
S1
S3
S2
IN
A
A
SECTION A-A
TERMINAL BLOCK TB1
A
B
C
NOTE:
Positions 8 and 9 of TB1
are connected together.
SERVICE
INFORMATION
77
Figure 17—Original Thermostat Wiring Diagram for MTA5900/MTA5901
Figure 17A—New Thermostat Wiring Diagram for MTA5942 & MTA5900/MTA5901
1
2
3
4
5
6
7
8
9
10
11
TB1
S1
S3
S2
IN
A
A
SECTION A-A
TERMINAL BLOCK TB1
A
B
C
NOTE:
Positions 8 and 9 of TB1
are connected together.