Assessments - 2, GPA: 3
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Facilidade de uso
If you feel that the furnace or air conditioning system turns on and off too many times per hour, ask your contractor about changing the switch to a 4 minute minimum on time. Keep in mind however that this may increase the overall temperature variation in the house due to longer run and off times. DO NOT change the position of this switch without first consulting with your contractor. – 19 – No. 2 – Keypad Lock. If tampering with the thermostat is expected and unwanted, the keypad can be locked by moving this switch from the factory set OFF position to ON. This should not be done until all programming is finalized. In the locked position only the following functions can be done: • The outdoor temperature button will display the outdoor temperature. • The DECREASE button or INCREASE button will temporarily change the set point a maximum of plus or minus 3 degrees for a period of 1 hour, before the thermostat automatically returns to the original program. If the thermostat does not respond when a button is pushed it may be because the keypad has been locked. A Lock icon “ “ will appear when a button other than OUTDOOR is pushed if the keypad has been locked. No. 3 – Fan with Heat Call. This switch was set by the installing contractor to operate the thermostat properly with your equipment. DO NOT change the position of this switch without consulting with the installing contractor. – 20 – To change the DIP switch settings, the thermostat must be a) Turn off power to the thermostat. b) Completely open the thermostat cover. The cover will snap removed from the base which is attached to the wall. The power to the thermostat must be turned off before disassembling or the thermostat can be permanently damaged. If you do not know where the switch is that controls the power to your thermostat, do not attempt to access the DIP switches. The following procedure must be carefully followed: Figure 1 CAUTION: TO PREVENT DAMAGE, AVOID CONTACT WITH BLUE TEMPERATURE SENSOR ON BOTTOM RIGHT- HAND CORNER OF THERMOSTAT CIRCUIT BOARD. into this position. c) Carefully insert a medium- sized flathead screwdriver into the latch access slot (see Figure 1). – 21 – Figure 2 Figure 3 Figure 2 Figure 3 d) Gently push in and pry up on the handle of the screwdriver until the lock tab disengages from the catch tab (you should feel or hear a click – see Figure 2). e) After the latch releases, grip the thermostat panel at the bottom corners and swing it up and away from the base to completely separate (See Figure 3). – 22 – Once the thermostat panel has been opened and removed from the base, turn the thermostat over and locate the DIP switches found on the circuit board according to the following drawing: Be careful to change only the intended DIP switches per the explanation given at the beginning of this section. After the DIP switches have been set to the desired position, carefully reassemble the thermostat. a) Place the cover on the base by lining up the 2 round pegs on the bottom of the cover with the half circle cutouts on the top of the base. Note that the bottom of the cover when fully open slides in behind the top of the base. Swing the cover fully open. The cover will stay in place. – 23 – Figure 4 b) Align the hinge tabs on the base and thermostat panel. Swing the panel to the base and snap in place at bottom of thermostat panel (see Figure 4). c) Turn the thermostat power back on. CAUTION: TO PREVENT DAMAGE, AVOID CONTACT WITH BLUE TEMPERATURE SENSOR ON BOTTOM RIGHT-HAND CORNER OF THERMOSTAT CIRCUIT BOARD. – 24 – In Case Of Power Failure The Model 8552 thermostat does not require a battery. If the power goes out the letters “AC” appear on the display indicating power is not being supplied to the thermostat. “AC” will remain on the display for up to approximately 30 minutes after the power goes out. During the period that the power is off, the heating/cooling system will not operate. This thermostat is equipped with a continuous memory feature which does not require any battery. The thermostat will never lose what has been programmed regardless of the length of the power outage. After a period of 30 minutes without power the clock will need to be reset. The clock will default to 12:00 AM. Refer to the Programming Instructions to reset the clock. Cleaning If the surface of the thermostat becomes dirty it can be cleaned with plain water or many non-abrasive household cleaners, such as glass cleaner. When using any cleaner be careful not to get any into the interior of the thermostat. Do not spray any cleaner directly onto the thermostat. Spray the cleaner onto a soft cloth and wipe the surface of the thermostat. – 25 – Limited Warranty Your Research Products Corporation Aprilaire® Thermostat unit is expressly warranted for two (2) years from date of installation to be free from defects in materials and workmanship. Research Products Corporation’s exclusive obligation under this warranty shall be to supply, without charge, a replaceme...