Bulbs
REMOVAL1. Remove control head. (Refer to "HVAC Control Read" removal procedure.)
NOTE: Use care not to touch bulbs with bare fingers.
2. Use small flat blade screwdriver to rotate bulb base counter-clockwise.
INSTALLATION
1. Use small flat blade screwdriver to rotate bulb base clockwise.
2. Install Control Head. (Refer to "HVAC Control Read" installation procedure.)