![background image](http://html.mh-extra.com/html/carrier/a07048/a07048_installation-instructions-manual_2564029039.webp)
37
20 to 50
_
F (--7 to 10
_
C) — Outdoor temperature below which both first and second
stages of the compressor are energized to satisfy all heating demands. When a cycle
starts under a high heat latch, it will finish the heating cycle on high stage.
On — The Y1 and Y/Y2 outputs are simultaneously energized to satisfy all heating
demands.
Default is OF (off).
Option 24 — Programmable/Non--Programmable (programmable models only)
This selection allows the installer to configure the Thermidistat Control as either
programmable or non--programmable. Selections are P, nP.
Default is P.
Option 25 — Number of Programmable Periods (programmable models only)
This selection allows the installer to configure the Thermidistat Control for two or
four periods per day. Two periods is a common commercial application and four
periods is more common for residential. This selection is not available if Option 24
has been set to nP to configure the Thermidistat Control for non--programmable
operation.
2 — Periods DAY and SLEEP are available
4 — Periods WAKE, DAY, EVE, and SLEEP are available.
Default is 4.
Option 26 — Minimum Cooling Setpoint
This selection allows the installer to configure the minimum cooling setpoint that
the user is allowed to set. The range is based on the value of the adjustable
deadband Option 11, such that the minimum of the range is 50
_
F/10
_
C plus the
adjustable deadband and the maximum is 90
_
F/32
_
C.
Summary of Contents for A07048
Page 2: ......
Page 10: ...8 A13295 Fig 2 Coil Excess Wiring A07685 Fig 3 TP PRH A B Carton Contents ...
Page 15: ...13 A07225 Fig 5 Press Tabs to Remove Backplate A07226 Fig 6 Take Apart ...
Page 89: ...87 NOTES ...
Page 90: ...88 NOTES ...
Page 91: ......