Service Visit · Cave Creek

Time Delay Relay Replacement in Cave Creek — August 2025

CompletedAugust 16, 2025

TechnicianGarrett

Service AreaCave Creek

Equipment AgeHeat pump: about 14 years old, Heat pump: about 13 years old, Heat pump: about 23 years old, Heat pump: about 2 years old, Heat pump: about 12 years old

Visit Invoice Total$264.30

Call (602) 613-3489

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Documented ServiceFindings supported by service notes

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Reported by the Homeowner

Two thermostats were connected and aren’t working; the first started smoking when turned on, and the second looks like it should work but the system isn’t responding.

Cave Creek homeowner · August 16, 2025

The Report

What the homeowner told us

Two thermostats were connected and aren’t working; the first started smoking when turned on, and the second looks like it should work but the system isn’t responding.

Findings & Work Performed

What Garrett documented during the visit

I addressed the issues I found on the two systems as needed during this visit. I made the necessary adjustments and ensured all connections and settings were secure.

The Verification

Verification performed

I cycled both systems after my work and confirmed they started and ran properly. Temperatures and operation looked normal before I left.

— Related Services

How this repair fits into our Phoenix HVAC service

This repair is one example of the AC Repair & Maintenance work AZ Perfect Comfort performs across Cave Creek, AZ. You can browse every case study we have published for this type of work in the Time Delay Relay Replacement case studies archive. Homeowners who join our Comfort Club maintenance membership get every eligible repair backed by our Lifetime Repair Guarantee. For larger repairs and replacements, financing options are available for qualifying projects.

— Parts & Work Performed

Exactly what was installed

Item	Description	Qty	Price
COM-DIAG-105	Commercial Service Fee for AZ Perfect comfort to Perform full system evaluation to diagnose customer problem with HVAC system, and/or complete any general site visit.	2	$399.90
Discount	Manager's Discount	1	$-200.00
RCL-170	Remove existing time delay relay and install a new time delay relay. Connect wiring and test all operations. For the time delay on start up of the condenser fan motor when the system is in defrost.Cos	1	$64.40

Total: $264.30

— Photo Documentation

12 photos from this repair

Every step of this repair was documented on-site by Garrett.

Thermostat wall plate with exposed control wiring to R, Y, G, W, and C terminals, cover removed during air conditioning repair.

Wall-mounted thermostat displays 97 °F room temperature with system set to Cool and Fan set to Auto.

Time delay relay inside an air conditioner control compartment with connected yellow, blue, white, red, and orange wires.

Technician holds a red 20A 300V insulated wire with spade terminal among condenser control wiring and capacitor leads.

Air conditioner control compartment shows time delay relay and connected wiring harness inside the condenser unit.

Electrical schematic inside an HVAC unit service panel, showing wiring diagram and component connections used for diagnostics.

Control wiring inside an air handler cabinet, showing a terminal board with multiple colored conductors connected.

Contactor with connected control and line wires inside the condenser panel, showing heat discoloration on the terminal area.

Open outdoor condenser control compartment showing wiring, contactor, time delay relay, and dual-run capacitor mounted at the bottom.

Digital manifold app display shows suction pressure 98.6 psi, liquid pressure 223.7 psi, superheat 57.7°F, and subcooling 108.8°F.

Wall-mounted thermostat with cover removed shows connected control wiring to R, Y, G, W, and C terminals.

Rooftop package air conditioning unit with service panels open, showing wiring access beside technician’s tool bag and backpack.

— Frequently Asked

Questions about this repair

What was the problem with the AC system in this Cave Creek repair?

The homeowner in Cave Creek reported issues on two HVAC systems. The technician diagnosed both and determined a time delay relay replacement was needed.

Does AZ Perfect Comfort service Cave Creek?

Yes. AZ Perfect Comfort services Cave Creek and the greater Phoenix Metro area, including same-day repairs like this one. Call (602) 613-3489 to schedule.

Are these AC repairs guaranteed?

AZ Perfect Comfort Diamond Members receive our Lifetime Repair Guarantee — if the same failure returns, the repair is on us. All other repairs are covered by our standard workmanship warranty. Ask your technician about becoming a Diamond Member to unlock the lifetime guarantee.

— Same Problem At Your Home?

Let's get your home feeling "just right" again.

AZ Perfect Comfort has served Cave Creek and greater Phoenix with same-day HVAC diagnostics and repair. Diamond Members get every repair backed by our Lifetime Repair Guarantee.