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PHTM II
Installation, Operating & Service Instructions
15
Operation
Figure 15-1: Display Icons
180
°F
When not flashing or alternating display temperature is
boiler supply temperature.
Visible when Central Heat demand is present.
Visible when DHW demand is present. Icon will flash if
DHW setpoint is being adjusted.
Visible when burner is firing. Icon adjacent to active
priority.
Combi boilers only.
Visible when CH setpoint reset is enabled.
Visible when adjust mode is active. Icon will flash if
manual mode is enabled.
Visible when manual reset lockout is active.
User Display Overview
+
–
reset
Table 15-2: Display Descriptions