SERVICE PROCEDURES
44 • On-Demand Water Heater Service Handbook for 240, 340 & 540 Condensing Models
When the 540 (T-H3) is connected with 520 (T-H2) models as part of an Easy-Link System, the available set temperatures will
default to what is available on the 520 (T-H2). These temperatures range from 100°F to 175°F or from 100°F to 185°F. See the
tables below.
NOTE:
• The 540 (T-H3) can be connected with temperature remote controller 100209924 (TM-RE42), but it cannot be connected
with temperature remote controller 100112155(TM-RE30). See Figure 37, page 43.
• The 520 (T-H2) or 710 (T-M32) can be connected with temperature remote controller 9007603005 (TM-RE30), but they
cannot be connected with temperature remote controller 9009069005 (TM-RE42). See Figure 37, page 43.
°F 100 105 110 115 120 125 130 135 140 145 150 155 160 165 170 175
°C 38 40 43 45 50 52 55 57 60 63 65 68 70 75 77 80
Temperatures available under the Normal Temperature Mode*
*Factory seng (Default): 120 °F
°F 110 115 120 125 130 135 140 145 150 155 160 165 170 175 180 185
°C 43 45 50 52 55 57 60 63 65 68 70 75 77 80 82 85
Temperatures available under the High Temperature Mode*
*Factory seng (Default): 120 °F
Table 16:
Table 17:
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